2.　　　 We don’t know how to have a good time.(改为同义句)

　 　We don’t know how to ______ ______.

1.　　　 　She needs some help. (否定句)　　　 She ______ ______ _______ help.

1.　　　 My brother does his homework at school.(改为否定句)

My brother ______ ______ his homework at school.

20、(　　 )_____I open the window, Mum? No, you_______. It’s cold outside.

A. Can, may not　 B. Can, mustn’t　 C. May, may not　 D. May, mustn’t

19、(　　 )Do you know the answer ______the question?

A. to　 B. of　　 C. at　　 D. in

18、(　　 )Thank you ______________ me.

A. for help　 B. for helping　 C. to helping　 D. helping

17、(　　 )After school, I often ____________ Simon to go home together.

A. meet up　 B. meet up with　 C. see with　 D. meet on with

16、(　　 )There _______ a lot of juice in the bottle.

　　　　　 　A.is　　　　 　 B.are　　　　 　 C. has　　　　 D. have

15、(　　 )-Where is your friend? - I ______ he’s at home.

　　　　　 A. look at　　　 B. think　　　 　 C. see　　　　 　　　 D. know

14、( 　　)We are looking forward ________ a great day.

　　　　　 A. to　　　　　 B. for　　　　 C. of　　　　 　 D. at